[Technical Problem] To provide a method for imparting an aroma and/or flavor to a food product. [Solution to Problem] An aroma and/or flavor imparting composition containing any of (i) decanoic acid, (ii) octanoic acid and (iii) any one or more of acetol, furfural, methyltetrahydrofuranone and 2-acetyl-5-methylfuran, wherein when the amount of (i) the decanoic acid to be incorporated is A parts by weight, the amount of (ii) the octanoic acid to be incorporated is B parts by weight and the total amount of (iii) acetol, furfural, methyltetrahydrofuranone and 2-acetyl-5-methylfuran to be incorporated is C parts by weight and also when a calculation is made to give A+B+C=100, then the addition to the beverage/food product is conducted to give a formulation shown by 0‰¤A‰¤60, 0‰¤B‰¤100, 0‰¤C‰¤100, 3A+B‰¤180.本發明係提供賦予食品香氣及/或風味之方法。解決方法係提供含有(i)癸酸、(ii)辛酸、(iii)丙酮醇、呋喃醛、甲基四氫呋喃、2-乙醯基-5-甲基的任一種以上之任一種賦予香氣及/或風味之組成物，其中將(i)癸酸的混合量記作A重量份、(ii)辛酸的混合量記作B重量份、(iii)丙酮醇、呋喃醛、甲基四氫呋喃、2-乙醯基-5-甲基呋喃的合計混合量記作C重量份時，使A+B+C=100進行換算後，以0≦A≦60、0≦B≦100、0≦C≦100、3A+B≦180進行混合。
